حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ سَعِيدَ بْنَ الْمُسَيَّبِ، وَسُلَيْمَانَ بْنَ يَسَارٍ، كَانَا يَقُولاَنِ عِدَّةُ الأَمَةِ إِذَا هَلَكَ عَنْهَا زَوْجُهَا شَهْرَانِ وَخَمْسُ لَيَالٍ ‏.‏

Yahya related to me from Malik that he had heard that Said ibnal-Musayyab and Sulayman ibn Yasar said, "The idda of a slave-girlwhen her husband dies is two months and five days." Translation Not Available

Book Ref: Muwatta Imam Malik Book 29 Hadith 1258
Web Ref:  Muwatta Imam Malik Book 29 Hadith 93